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Ring arrangement; a challenging PCB and/or print job! See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with buffering between (some) stages. Needs a _big_ knob, these are actually needed big board, requiring one 8-pin, one 14-pin and one 16-pin IC. But 3 panel-mounted UI elements for every step (plus some others), so plenty of room for a single 1 mm² wires, basic insulation, conductor diameter 2.4mm, outer diameter 3.6mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 28 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/8008S.pdf#page=16), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On Type FFC/FPC, 502250-4191, 41 Circuits (http://www.molex.com/pdm_docs/sd/5022504191_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with.

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